Darkened varnish obscures Goya's signature in a 1771 masterpiece, according to a new analysis using terahertz waves
A so-called metal-organic framework could offer a better way to get at the vast uranium resource dissolved in the ocean.
Alberta will serve as a test bed for large-scale carbon capture and sequestration.
Ever wondered what fuel fires potatoes out of a cannon the fastest? The US Air Force now has the answer
With 3-D printing poised to go mainstream, will we soon all be able to print a gun?
Nobody knows what exploded over Siberia in 1908, but the discovery of the first fragments could finally solve the mystery.
A plastic smartphone screen cover patterned with tiny lenses could help mobile 3-D take off.
A materials scientist has created the world's toughest fiber using a mechanism based on a slip knot.
Combining aspects of high-energy lithium-sulfur batteries with flow battery technology can lower costs.
New research shows how arrays of tiny electronic devices can achieve human-skin-like sensitivity to mechanical force.